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Paper Abstract and Keywords
Presentation 2009-10-16 13:00
[Poster Presentation] Multihop cooperative communications for asymmetric traffic accommodation in CDMA/FDD celluar system
Takeo Saga, Kazuo Mori, Katsuhiro Naito, Hideo Kobayashi (Mie Univ.) WBS2009-33
Abstract (in Japanese) (See Japanese page) 
(in English) The recent mobile communication systems which are providing multimedia services have asymmetric characteristics between downlink and uplink traffics. Since the resource allocation to uplink and downlink in the FDD systems are generally designed fixedly at the system deployment, the asymmetric traffic accommodation is difficult in the FDD systems according to the dynamics of traffic for uplink and downlink. As for the asymmetric traffic accommodation in the FDD systems, we have previously proposed the mutihop communication technique for the downlink of using the uplink frequency band. This scheme improved the downlink channel capacity, but it leads the degradation of channel quality in the uplink. To solve this problem, this paper proposes the asymmetric traffic accommodation scheme using the mutihop cooperative communication technique. From the various computer simulation results, we demonstrate that the proposed scheme could improve the uplink performance with keeping the better performance in the downlink.
Keyword (in Japanese) (See Japanese page) 
(in English) Asymmetric traffic / Multihop / Cooperative Communication / FDD / CDMA / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 233, WBS2009-33, pp. 49-54, Oct. 2009.
Paper # WBS2009-33 
Date of Issue 2009-10-09 (WBS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee WBS  
Conference Date 2009-10-16 - 2009-10-16 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To WBS 
Conference Code 2009-10-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multihop cooperative communications for asymmetric traffic accommodation in CDMA/FDD celluar system 
Sub Title (in English)  
Keyword(1) Asymmetric traffic  
Keyword(2) Multihop  
Keyword(3) Cooperative Communication  
Keyword(4) FDD  
Keyword(5) CDMA  
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1st Author's Name Takeo Saga  
1st Author's Affiliation Mie University (Mie Univ.)
2nd Author's Name Kazuo Mori  
2nd Author's Affiliation Mie University (Mie Univ.)
3rd Author's Name Katsuhiro Naito  
3rd Author's Affiliation Mie University (Mie Univ.)
4th Author's Name Hideo Kobayashi  
4th Author's Affiliation Mie University (Mie Univ.)
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Speaker Author-1 
Date Time 2009-10-16 13:00:00 
Presentation Time 180 minutes 
Registration for WBS 
Paper # WBS2009-33 
Volume (vol) vol.109 
Number (no) no.233 
Page pp.49-54 
#Pages 6 
Date of Issue 2009-10-09 (WBS) 

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